So my mom and me haven't had the best relationship. She's done nothing but talk behind my back and…

So my mom and me haven't had the best relationship. She's done nothing but talk behind my back and stir up drama. I had nowhere to stay at one point and I was living with my grandma. She came over there starting drama and tried to fight me in my grandma's front yard. I moved with my BF and since then I made sure that nobody in my family knows where I stay. (I just felt comfortable telling my dad) my mom keeps asking me where I live. She wants to see the baby and I told her I'd let her see him but she insists on knowing where I live. She's tried guilt tripping me into telling her but I won't tell her because I don't need a repeat of what happened last time or her stirring up drama where I live now.... Am I wrong for this? What should I tell her? She keeps asking